From 21d50b280fb63c5b73366a25bb74e87dd6ff08ab Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer@google.com>
Date: Thu, 23 Jun 2022 13:36:21 -0700
Subject: [MTE] Reset memtag message on factory reset.

Bug: 235255174
Test: https://gist.github.com/fmayer/8900b52636574ee079fa1943e5da918e
Change-Id: If42faa0417f9717d66eaa4247a88de61985b21b0
---
 install/wipe_data.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/install/wipe_data.cpp b/install/wipe_data.cpp
index 024c1e1d5..c65e6f488 100644
--- a/install/wipe_data.cpp
+++ b/install/wipe_data.cpp
@@ -25,6 +25,7 @@
 #include <android-base/logging.h>
 #include <android-base/stringprintf.h>
 
+#include "bootloader_message/bootloader_message.h"
 #include "install/snapshot_utils.h"
 #include "otautil/dirutil.h"
 #include "recovery_ui/ui.h"
@@ -100,6 +101,12 @@ bool WipeData(Device* device) {
       success &= EraseVolume(METADATA_ROOT, ui);
     }
   }
+  ui->Print("Resetting memtag message...\n");
+  std::string err;
+  if (!WriteMiscMemtagMessage({}, &err)) {
+    ui->Print("Failed to reset memtag message: %s\n", err.c_str());
+    success = false;
+  }
   if (success) {
     success &= device->PostWipeData();
   }
-- 
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